Wigan Warriors' Willie Isa's "weird" Penrith Panthers experience ahead of World Club Challenge
![Wigan Warriors' Willie Isa's](https://i2-prod.mirror.co.uk/incoming/article32164404.ece/ALTERNATES/s615/0_PAY-Wigan-Warriors-v-Catalans-Dragons.jpg)
Hard-hitting second-row Willie Isa has spent the last 13 years in Super League but recollects his unusual stint with hometown Penrith who Wigan face for the World Club Challenge on Saturday